Func <DataASTMutable.WarewolfAtom, bool> CreateFuncFromOperator(string searchType, IEnumerable <DataASTMutable.WarewolfAtom> values, IEnumerable <DataASTMutable.WarewolfAtom> from, IEnumerable <DataASTMutable.WarewolfAtom> to)
        {
            IFindRecsetOptions opt = FindRecsetOptions.FindMatch(searchType);

            return(opt.GenerateFunc(values, from, to, RequireAllFieldsToMatch));
        }